← Pixels and image size lesson New set →

Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 182 · 40 questions
TalentJR

Creator's tip (Width times height): Pixels = width × height; megapixels = pixels ÷ 1000000. Aspect ratio = width : height. 16:9 wide, 4:3 squarer, 1:1 square, 9:16 tall. Keep the ratio: a 16:9 frame 1920 pixels wide is 1920 ÷ 16 × 9 = 1080 tall. Printing: inches × pixels per inch.

NameDateTime takenScore ___ / 40
  1. 1.🟦 You shrink a 280 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  2. 2.🟦 You shrink a 720 × 320 pixel image to half its width and half its height. How many pixels does it have now?
  3. 3.🟦 A 4:3 video frame is 600 pixels wide. How many pixels tall is it?
  4. 4.🟦 A 4:3 video frame is 520 pixels wide. How many pixels tall is it?
  5. 5.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  6. 6.🟦 An image is 20 pixels wide and 370 pixels tall. How many pixels does it have in all?
  7. 7.Which of these best fits 9:16? (a) a classic tablet screen (b) a landscape video (c) a square profile picture (d) a phone story clip
  8. 8.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  9. 9.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  10. 10.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  11. 11.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) taller than wide (d) wider than it is tall
  12. 12.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the paper colour (d) the file name
  13. 13.🟦 A 4:3 video frame is 570 pixels tall. How many pixels wide is it?
  14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  15. 15.Which of these best fits 1:1? (a) a laptop film screen (b) an older TV screen (c) an upright phone screen (d) a square sticker
  16. 16.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  17. 17.🟦 An image is 390 × 260 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  18. 18.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  19. 19.Which of these best fits 1:1? (a) a classic tablet screen (b) a widescreen TV (c) an old-style monitor (d) a square post
  20. 20.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
  21. 21.🟦 An image is 180 pixels wide and 40 pixels tall. How many pixels does it have in all?
  22. 22.🟦 You shrink a 240 × 580 pixel image to half its width and half its height. How many pixels does it have now?
  23. 23.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  24. 24.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a font size (d) a type of paper
  25. 25.Which of these best fits 16:9? (a) an older TV screen (b) a widescreen slide (c) a square profile picture (d) a phone story clip
  26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  27. 27.🟦 An image is 210 pixels wide and 40 pixels tall. How many pixels does it have in all?
  28. 28.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  30. 30.Which of these best fits 16:9? (a) an old-style monitor (b) a classic tablet screen (c) a landscape video (d) a square post
  31. 31.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  32. 32.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  33. 33.Which of these best fits 4:3? (a) a phone story clip (b) a widescreen TV (c) an older TV screen (d) a square sticker
  34. 34.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  35. 35.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  36. 36.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  37. 37.Which of these best fits 1:1? (a) a laptop film screen (b) an old-style monitor (c) an album cover (d) a phone story clip
  38. 38.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) more colourful (d) exactly the same
  39. 39.Which of these best fits 16:9? (a) a classic tablet screen (b) an older TV screen (c) a tall phone video (d) a widescreen TV
  40. 40.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1

Answer key

  1. 2800
  2. 57600
  3. 450
  4. 390
  5. 1:1
  6. 7400
  7. a phone story clip
  8. 12.5
  9. 1350
  10. 16:9
  11. wider than it is tall
  12. the number of pixels
  13. 760
  14. 1500
  15. a square sticker
  16. 6
  17. 3:2
  18. 4:3
  19. a square post
  20. 90
  21. 7200
  22. 34800
  23. 1800
  24. a tiny dot of colour
  25. a widescreen slide
  26. 2100
  27. 8400
  28. 9:16
  29. 1200
  30. a landscape video
  31. 600
  32. 1500
  33. an older TV screen
  34. 4:3
  35. 16:9
  36. 9:16
  37. an album cover
  38. squashed or wide
  39. a widescreen TV
  40. 16:9

Free animation and design lessons, practice and worksheets at talentjr.in/animation-for-kids